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MIG-MAG Welding Process Mig Welding Process

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MIG-MAG Welding Process mig welding process

MIG-MAG Welding Process

Short-Arc transfer

The Short Arc has a low spatter rate with good wetting and is suited to welding thin steel plate, working in position and penetration passes This mode is characterised by alternating short circuits and light arc.

MIG-MAG Welding Process mig welding process

Speed Short-Arc™ transfer

The Speed Short Arc™ transfer is an Oerlikon exclusivity.This Arc transfer mode allows a high travel speed due to a rigid arc and a cold regime. It is very effective for welding thin steel plates, working in position and in closed angle and filling bevels. The SSA™ is used for short circuit welding though the normal globular regime travel speed domain.

  • Advantages:

    • Increase in travel speed

    • Reduced distortion (thin steel sheets)

    • Suited to welding in position

    • Tolerance and usability

Globular transfer

Metal is transferred in the arc as large drops with hardly mastered trajectories. It's a transfer mode giving low quality results.

Spray-Arc transfer

Metal is transferred in the arc as small droplets. The mode is very regular but requires high welding parameters and therefore is usable only for thickness above 5 mm.

Pulsed transfer

This pulsed current called “standard”, is a very efficient arc regime; it enables welding of fine sheet metal from 1 mm thickness.It is used on all metals (steel, stainless steel, aluminium) with solid wires as with certain flux-cored wires. Almost total elimination of spatter, and thus of finishing.

  • Advantages:

   • Excellent weld bead appearance

   • Reduction of fume emissions

   • All positional

Spray Modal™ tranfer

The Spary Modal™ transfer is an Oerlikon exclusivity. This process, especially for light alloys, greatly reduces micro porosity and increases penetration. It can be used in all positions and is particularly effective on aluminium sheets greater than 3 mm. Spray-MODAL™ uses a low-frequency modulated current which has the effect of removing most hydrogen bubbles from the weld pool before solidification.

  • Advantages:

   • Reduces porosity

   • Increases penetration

   • All-position welding

   • Higher travel speed

MIG-MAG Welding Process

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